Home / 25,827.20-35,620.80-16,398.08

Finding the Fourth Proportional to 25,827.20, 35,620.80 and 16,398.08

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Solution

The fourth proportional to 25,827.20, 35,620.80 and 16,398.08 is: 22,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.20 : 35,620.80 = 16,398.08 : x
  2. Step 2: Convert to fraction form
    25,827.20/35,620.80 = 16,398.08/x
  3. Step 3: Cross multiply
    25,827.20x = 35,620.80 × 16,398.08
  4. Step 4: Simplify right side
    25,827.20x = 584,112,728.06
  5. Step 5: Solve for x
    x = 584,112,728.06/25,827.20
  6. Step 6: Final answer
    x = 22,616.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.